Kook
Loony
Loony noun - A person judged to be legally or medically insane.
Usage example: his insistence that aliens from outer space were monitoring his thoughts forced doctors to conclude that he was in fact a loony
Kook is a synonym for loony in wise topic. You can use "Kook" instead a noun "Loony", if it concerns topics such as crazy.
Nearby Word: loon
Mutual synonyms
Cite this Source
Loony and Kook. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/kook/loony
Kook & Loony. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/kook/loony>.
Loony or Kook. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/kook/loony.
Google Ngram Viewer shows how "kook" and "loony" have occurred on timeline